chage hook_perm into hook_permission

in drupal7 we need

/**
 * Implements hook_permission().
 */
function swfupload_permission() {
  return array(
    'upload files with swfupload' => array(
      'title' => t('upload files with swfupload'), 
      'description' => t('upload files with swfupload'),
      'restrict access' => TRUE,
    ),
  );
}

With current version SWFUpload available only for user 1.